OE Quality
60-Day Returns

Dorman 603-295 Engine Coolant Reservoir - Front
Overview of Dorman Engine Coolant Reservoir 603-295
The Dorman 603-295 engine coolant reservoir is designed for reliable coolant storage and management in select Mitsubishi vehicles. This white plastic reservoir includes a flip-top cap and is compatible with Mitsubishi Eclipse, Endeavor, and Galant models, providing a direct replacement solution for your cooling system needs.
- Constructed from durable white plastic for corrosion resistance
- Includes one flip-top cap for secure coolant containment
- Single mounting hole design for straightforward installation
- Cap included, but mounting hardware and brackets are not included
- Non-pressurized reservoir suitable for standard cooling systems
- Package contains one coolant reservoir and one cap
Detailed Product Description
The Dorman 603-295 engine coolant reservoir is engineered to meet the specifications required by Mitsubishi vehicles such as the Eclipse, Endeavor, and Galant. Made from sturdy plastic, this reservoir resists corrosion and withstands typical engine bay conditions. The white color allows for easy coolant level monitoring. Featuring a flip-top cap, it ensures convenient access for coolant refills and maintenance. The reservoir is designed with a single mounting hole, simplifying the installation process. While mounting hardware and brackets are not included, the part is compatible with existing factory mounting points on the specified Mitsubishi models.
Common Applications and Problem Resolution
- Replacement for cracked or leaking coolant reservoirs
- Solves coolant overflow or evaporation issues
- Addresses coolant contamination due to damaged caps
- Restores proper coolant level monitoring capability
- Prevents engine overheating caused by coolant loss
Installation Notes and Tips
- Verify compatibility with Mitsubishi Eclipse, Endeavor, or Galant before installation
- Use existing mounting hardware or brackets from the original reservoir
- Ensure the flip-top cap is securely closed to prevent coolant spillage
- Check coolant levels after installation and refill as necessary
- Inspect hoses and connections for leaks during installation
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 603-295 engine coolant reservoir undergoes quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.
| Brand | Dorman |
| Part Number | 603-295 |
| Cap Included | Yes |
| Cap Type | Flip Top |
| Color | White |
| Material | Plastic |
| Mounting Brackets Included | No |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 1 |
| Package Contents | 1 Coolant Reservoir; 1 Cap |
| Pressurized | No |
This part fits 37 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2012 | Mitsubishi | Eclipse | 3.8L | V6 | Front | |
| 2012 | Mitsubishi | Eclipse | 2.4L | L4 | Front | |
| 2012 | Mitsubishi | Galant | 2.4L | L4 | Front | |
| 2011 | Mitsubishi | Eclipse | 3.8L | V6 | Front | |
| 2011 | Mitsubishi | Eclipse | 2.4L | L4 | Front | |
| 2011 | Mitsubishi | Endeavor | 3.8L | V6 | Front | |
| 2011 | Mitsubishi | Galant | 2.4L | L4 | Front | |
| 2010 | Mitsubishi | Eclipse | 3.8L | V6 | Front | |
| 2010 | Mitsubishi | Eclipse | 2.4L | L4 | Front | |
| 2010 | Mitsubishi | Endeavor | 3.8L | V6 | Front | |
| 2010 | Mitsubishi | Galant | 2.4L | L4 | Front | |
| 2009 | Mitsubishi | Eclipse | 3.8L | V6 | Front | |
| 2009 | Mitsubishi | Eclipse | 2.4L | L4 | Front | |
| 2009 | Mitsubishi | Endeavor | 3.8L | V6 | N/A | |
| 2009 | Mitsubishi | Galant | 3.8L | V6 | Front | |
| 2009 | Mitsubishi | Galant | 2.4L | L4 | Front | |
| 2008 | Mitsubishi | Eclipse | 3.8L | V6 | Front | |
| 2008 | Mitsubishi | Eclipse | 2.4L | L4 | Front | |
| 2008 | Mitsubishi | Endeavor | 3.8L | V6 | Front | |
| 2008 | Mitsubishi | Galant | 3.8L | V6 | Front | |
| 2008 | Mitsubishi | Galant | 2.4L | L4 | Front | |
| 2007 | Mitsubishi | Eclipse | 3.8L | V6 | Front | |
| 2007 | Mitsubishi | Eclipse | 2.4L | L4 | Front | |
| 2007 | Mitsubishi | Endeavor | 3.8L | V6 | Front | |
| 2007 | Mitsubishi | Galant | 3.8L | V6 | Front | |
| 2007 | Mitsubishi | Galant | 2.4L | L4 | Front | |
| 2006 | Mitsubishi | Eclipse | 3.8L | V6 | Front | |
| 2006 | Mitsubishi | Eclipse | 2.4L | L4 | Front | |
| 2006 | Mitsubishi | Endeavor | 3.8L | V6 | Front | |
| 2006 | Mitsubishi | Galant | 3.8L | V6 | Front | |
| 2006 | Mitsubishi | Galant | 2.4L | L4 | Front | |
| 2005 | Mitsubishi | Endeavor | 3.8L | V6 | Front | |
| 2005 | Mitsubishi | Galant | 3.8L | V6 | Front | |
| 2005 | Mitsubishi | Galant | 2.4L | L4 | Front | |
| 2004 | Mitsubishi | Endeavor | 3.8L | V6 | Front | |
| 2004 | Mitsubishi | Galant | 3.8L | V6 | Front | |
| 2004 | Mitsubishi | Galant | 2.4L | L4 | Front |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.